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130 computer systems software developer jobs at 66 companies in Fontana, CA

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Software Engineer, Factory Systems
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology developing AI-powered autonomous military systems.
3+ YOEBachelor's degree in computer science, computer engineering, or related field; 3 years of software development experience; .NET backend, AWS, Docker, Kubernetes, infrastructure as code, and database experience; U.S. citizenship required.
.NET, C#, ASP.NET, .NET Core, AWS, Docker, Kubernetes, SQLite, SQL Server, AWS DynamoDB, Redis, CPython
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Software Engineer I – Embedded Systems
Irvine, California, United States
$33-$55/hr HybridFull Time
Panasonic Avionics Corporation
Panasonic Avionics Corporation: Private aerospace manufacturer supplying airlines with in-flight entertainment, connectivity systems, and technical services.
0+ YOEBachelor's degree in computer science, computer engineering, or software engineering, or equivalent experience; 0–3 years' experience; C/C++, Linux, TCP/IP, device drivers, and strong communication skills.
C, C++, Linux, VxWorks, TCP/IP, AWS, MQTT, Zenoh, Microsoft Excel
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2mo
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Lead Software Engineer-AI Licensing & Publishing Systems
Orlando or Glendale
$150k-$180k/yr HybridFull Time
Disney Publishing Worldwide
Disney Publishing WorldwideNYSE: DIS: A leading global entertainment and media conglomerate.
7+ YOE7+ years software engineering experience with leadership; experience in financial/licensing systems; hands-on AI/ML and computer vision; proficiency in Java, Python, Go, Rust, or C#; cloud and Kubernetes experience.
TensorFlow, PyTorch, Scikit-learn, Java, Python, Go, Rust, C#, AWS, GCP, Azure, Kubernetes, CI/CD
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Software Engineer I, Memberships
San Francisco or Seattle or San Francisco or Seattle or Los Angeles County
$111k-$185k/yr OnsiteFull Time
Twitch Interactive
Twitch Interactive: An Amazon-owned interactive livestreaming service for viewers and streamers across gaming, entertainment, sports, and music.
1+ YOE1+ years of professional software development experience; proficiency in Python, Java, or Go; algorithms, data structures, distributed systems, and bachelor's degree in computer science or engineering.
Python, Java, Go, Golang, TypeScript, React, AWS, Amazon ECS, Amazon DynamoDB, AWS Lambda, Amazon SQS, AWS Step Functions
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Staff Embedded Software Engineer, Communications Systems
Long Beach, California, United States
$181k-$249k/yr OnsiteFull Time
Relativity Space
Relativity Space: Aerospace developing 3D-printed rockets and launch services.
5+ YOEBS/MS in Computer Science or Electrical Engineering; 5+ years in systems programming; C, Linux drivers, embedded/RTOS; network programming; hardware interfaces.
C, Linux, Device drivers, Networking, Sockets, OSI 2-3, Embedded
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Software Engineer, Enterprise Support
Los Angeles or New York City or San Francisco or Seattle or United Kingdom or Ireland or Poland or Germany or Australia
$170k-$230k/yr HybridFull Time
Whatnot
Whatnot: Live shopping marketplace connecting buyers and sellers.
3+ YOE3+ years of software engineering experience; bachelor's degree in computer science or equivalent experience; customer-facing technical communication; APIs, distributed systems, data synchronization, automation, and integration development.
Shopify, ChannelAdvisor, Magento, NetSuite, ShipStation, WMS, ERP
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Senior Software Engineer - Cloud Streaming
Aliso Viejo, California, United States
$177k-$266k/yr HybridFull Time
Sony Interactive Entertainment
Sony Interactive Entertainment: Global leader in interactive entertainment, hardware, and digital network services.
7+ YOEBachelor's degree in computer science, computer engineering, or equivalent experience; 7+ years developing and operating production software, with Rust, Kubernetes, Linux, distributed systems, testing, and infrastructure automation experience.
Rust, Kubernetes, Linux, Git, Docker, Prometheus, Grafana, OTel, OpenSearch, Java, C++, Ansible, AWX, Codex, Claude
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Principal Software Engineer - Developer Connections
Los Angeles, California, United States
$229k-$320k/yr OnsiteFull Time
Riot Games
Riot Games: Developer and publisher of video games and esports.
8+ YOEBachelor's in Computer Science or equivalent, 8+ years software engineering, C++ and another language, AI integration experience, shipped AAA or large live service, technical leadership and systems integration experience.
C++, Python, C#, Unreal Engine, PyTorch, TensorFlow
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Systems Integration Developer
Redwood City or Austin or Boston or Ann Arbor or Los Angeles or New York City or San Diego
$150k-$180k/yr HybridFull Time
Gunderson Dettmer
Gunderson Dettmer: Private international law firm advising startups, venture capital investors, and emerging companies.
Bachelor's degree in computer science, information systems, or related technical field; proficiency with Boomi, C#, .NET, PowerShell, and SQL Server; experience with enterprise integrations, automation, AI agents, and Azure services.
Dell Boomi, Microsoft Copilot Studio, PowerShell, SQL, Microsoft SharePoint, Microsoft 365, SSIS, SSRS, SQL Server, C#, .NET, Power Automate, Dataverse, Microsoft Teams, Dynamics 365, Azure Logic Apps, Azure AD, Azure Data Factory, Azure App Services, Azure DevOps, Application Insights, Intapp, Aderant Expert, iManage Work, Litera Compare, Clean, Peppermint (CRM product)
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Software Engineer (Ad-Serving)
California or Colorado or Idaho or Illinois or Florida or Georgia or Massachusetts or Michigan or Minnesota or Missouri or New Jersey or Nevada or New York or Oregon or Pennsylvania or Texas or Utah or Washington or Redwood City or Los Angeles or New York City
$141k-$205k/yr RemoteFull Time
Liftoff
LiftoffNasdaq Global Select Market: LFTO: AI-powered performance marketing platform helping mobile app advertisers acquire users and publishers monetize their apps.
4+ YOERequires strong coding ability, computer science fundamentals, distributed systems or backend architecture experience, and 4+ years of software engineering experience. Bachelor's degree in computer science or equivalent experience required.
Go, Machine Learning, Big Data
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Software Engineer
Los Angeles, California, United States
HybridFull Time
Liquid XR
Liquid XR: Private wearable-technology startup building motion-tracking gloves, insoles, and other wearables for gaming, training, and wellness.
Strong C/C++ experience; familiarity with Swift, C#, TypeScript, Kotlin, IMUs, VQF, machine learning, game engines, and embedded systems. Requires a computer science or related BSc/MSc degree.
C, C++, Swift, C#, TypeScript, Kotlin, Unity, Unreal, Godot, BTLE, IMU, VQF, Windows, Mac, iOS, Android
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Principal Embedded Software Engineer
Los Angeles or Altadena
$231k-$323k/yr OnsiteFull Time
Honeybee Robotics
Honeybee Robotics: Private aerospace engineering designing and manufacturing robotic systems for space exploration, defense, and industrial customers.
10+ YOEBachelor's degree in a relevant engineering or computer science field and 10+ years developing embedded software. Requires C/C++, embedded platforms, avionics, testing, sensors, Git, communication protocols, and safety-critical systems experience.
C, C++, Git, Ethernet, USB, CAN, SPI, I2C, Python, RTOS
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Software Engineer III - Edge Computing
Folsom or Beavercreek or Long Beach
$104k-$163k/yr OnsiteFull Time
Voyager Technologies
Voyager TechnologiesNYSE: VOYG: Develops defense and space technology systems.
4+ YOEBachelor's in CS/Engineering, U.S. Person required, ability to obtain DoD clearance, 4+ years software engineering experience, expertise in Modern C++, GPU computing (CUDA/Holoscan/ROCm), Linux, containers, and systems profiling.
Modern C++, Rust, CUDA, Holoscan, ROCm, Linux, Kubernetes, Docker, gRPC, Protobuf, DPDK, RDMA, GPUDirect
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Senior Principal Software Engineer - TS/SCI
Long Beach, California, United States
$198k-$297k/yr OnsiteFull Time
Rocket Lab Space Systems Inc.
Rocket Lab Space Systems Inc.: Canadian spacecraft-components manufacturer supplying satellite hardware for commercial, civil, defense, and intelligence missions.
15+ YOE15+ years software development experience with embedded and ground systems, proficiency in C/C++ and Python, active TS/SCI clearance and U.S. eligibility, bachelor\u0019s degree in engineering or computer science required.
C, C++, python, VxWorks, embedded Linux, RTOS, DIO, AIO, ICD, RF, CAN/CAN-FD, SpaceWire, UDP/TCP, FastAPI, Golang, Rust, Typescript, Angular, InfluxDB, PostgreSQL, Git, Kubernetes, OAuth, CCSDS, Space Packet Protocol, COP-1, CFD, CI/CD
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Senior Software Developer in Test (SDET)
Irvine, California, United States
$130k-$207k/yr OnsiteFull Time
BD
BDNYSE: BDX: Global medical technology advancing the world of health.
3+ YOEBachelor's degree preferred in software engineering or computer science, 3+ years software development experience, and expertise in Java, test framework development, OAuth 2.0, browser automation, load simulation, build systems, and CI/CD.
Java, OAuth 2.0, PKCE, WebSocket, MQTT, TCP, HL7 v2.x, FHIR, Xray, Zephyr, CI/CD
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Systems Engineer, Systems Test
Torrance or Los Angeles
$240k-$299k/yr OnsiteFull Time
Hadrian
Hadrian: Manufactures precision components in automated factories.
10+ YOEBachelor's degree in engineering and 10+ years of systems or test engineering experience with complex electromechanical or robotic systems; technical leadership and integrated hardware-software testing expertise required.
AI, software, robotics, simulation, hardware-in-the-loop, simulation-in-the-loop, continuous integration, test pipelines, International Traffic in Arms Regulations (ITAR)
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Software Engineer II
Brea or United States
$84k-$162k/yr RemoteFull Time
Mercury Insurance
Mercury InsuranceNYSE: MCY: Public U.S. insurer providing automobile, homeowners, commercial, renters, and mechanical-protection coverage through independent agents.
Bachelor’s degree in computer science, information systems, or related field or equivalent experience; experience with industry-standard programming, databases, APIs, distributed systems, containers, and application design.
Java, Python, GoLang, C++, JavaScript, Docker, Kubernetes, Apache Kafka, Apache NiFi, Amazon SQS, Microsoft MQ, Apache Camel, AWS, Google Cloud, Azure, REST, gRPC
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Senior Autonomy Software Engineer
Long Beach, California, United States
$140k-$220k/yr OnsiteFull Time
Odin Dynamics
Odin Dynamics: Private U.S. defense technology building autonomous underwater vehicles for American and allied navies.
5+ YOEDeep autonomy, perception, robotics, or production software experience; systems and scripting language proficiency; machine learning, computer vision, planning, sensor fusion, simulation, testing, and real-world systems integration experience.
HOOTL, SIL, HIL, HITL, Monte Carlo
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Senior Backend Software Engineer
Los Angeles, California, United States
$167k-$230k/yr OnsiteFull Time
Otter
Otter: Restaurant POS software for restaurant operators that unifies ordering, payments, delivery apps, and kitchen operations.
3+ YOEBachelor's in Computer Science or equivalent, 3+ years software engineering experience, strong backend system design, APIs, microservices, databases, and cloud platform experience.
Java, Go, PostgreSQL, MongoDB, Redis, AWS, Google Cloud, Azure
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Senior Backend Software Engineer
Los Angeles, California, United States
$167k-$230k/yr OnsiteFull Time
Otter
Otter: Restaurant POS software for restaurant operators that unifies ordering, payments, delivery apps, and kitchen operations.
3+ YOEBachelor's degree in Computer Science or equivalent experience, 3+ years of software engineering experience, and expertise in backend design, APIs, databases, microservices, concurrency, and distributed systems.
Java, Kotlin, Android, PostgreSQL, CockroachDB, Redis, AWS, Google Cloud, Azure, Kafka, Flink
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